Wholesale Polyacrylamide Manufacturers & Global Suppliers

Industrial-Grade Water-Soluble Polymers (APAM, CPAM, NPAM): Engineered for Ultra-High Flocculation Efficiency, Enhanced Oil Recovery, Sludge Dewatering & Sustainable Water Reuse.

Featured Polyacrylamide Portfolio

Explore our high-performance flocculants engineered for municipal, metallurgical, paper, and petrochemical wastewater treatment.

China Nonionic Polyacrylamide Flocculant for Acidic Wastewater
China Nonionic Polyacrylamide Flocculant for Acidic Industrial Wastewater Treatment
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China Cationic polyacrylamide Manufacturer
China Cationic polyacrylamide Manufacturer, Supplier
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China PAM Anionic Polyacrylamide Dry & Wet Strength Agent
China PAM Anionic Polyacrylamide Dry & Wet Strength Agent for Paper Industry
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Wholesale High Molecular Weight Anionic Polyacrylamide
Wholesale High Molecular Weight Anionic Polyacrylamide for Petrochemical & Metallurgical Wastewater
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Wholesale PAM Anionic Polyacrylamide
Wholesale PAM Anionic Polyacrylamide Manufacturer, Suppliers
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China Nonionic Polyacrylamide Suppliers
China Nonionic Polyacrylamide Manufacturers, Supplier
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Wholesale Nonionic Polyacrylamide for Mineral Processing
Wholesale Nonionic Polyacrylamide (NPAM) for Mineral Processing & Metallurgical Ore Dressing
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Wholesale Anionic Polyacrylamide for Sewage Treatment
Wholesale Anionic Polyacrylamide (APAM) for Municipal Sewage Treatment & Sludge Dewatering
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About Qingdao Oubo Chemical Co., Ltd

World-leading biological synthesis polyacrylamide manufacturer located in the Free Trade Zone of Qingdao, China.

Oubo Chemical Co., Ltd was established in 2011, located strategically in the Free Trade Zone of Qingdao, China. Driven by technical innovation and rigorous Quality Control (QC), Oubo has experienced a continuous business growth rate of over 10% annually for the past decade. Qingdao Oubo Chemical Co., Ltd is highly committed to chemical safety, operational excellence, and environmental stewardship throughout polymer synthesis and global field applications.

Oubo specializes in manufacturing and supplying high-purity Cationic Polyacrylamide (CPAM), Anionic Polyacrylamide (APAM), and Nonionic Polyacrylamide (NPAM). Our modern manufacturing infrastructure utilizes cutting-edge biological enzymatic polymerization technology—a patented process that yields polyacrylamide with ultra-high molecular weight, exceptional dissolution rates, and minimal residual acrylamide monomer (<0.05%).

In 2018, Oubo’s annual production capacity broken through 50,000 Metric Tons. Our comprehensive quality management system is fully certified under ISO9001:2008, ensuring that every lot dispatched to international markets meets strict international specifications. We proudly stand behind our product performance and customer-centric technical support.

50,000+
Annual Tons Capacity
€2.0M
Annual R&D Investment
ISO9001
Certified Quality Control
3x Batch
Strict QC Inspection

Comprehensive Chemical Technical Overview: Polyacrylamide (PAM)

Understanding ionic structures, hydrolysis degrees, and molecular weight engineering for specialized industrial separation.

Polyacrylamide (CAS No. 9003-05-8) is a synthetic water-soluble linear polymer formed from acrylamide subunits [-CH2-CH(CONH2)-]. Due to its versatile amide group functionalization, PAM can be modified into four distinct ionic classes: Anionic, Cationic, Nonionic, and Amphoteric (Mannich). Its primary functionality spans flocculation, coagulation, rheology modification, friction reduction, and solid-liquid separation.

Anionic Polyacrylamide (APAM)

Synthesized by copolymerizing acrylamide with acrylic acid or sodium acrylate. Characterized by negative charge groups (-COO⁻), molecular weights ranging from 6 Million to 30 Million Daltons, and hydrolysis levels from 10% to 60%.

  • Neutral & alkaline suspension clarification
  • High molecular weight for bridging flocculation
  • Tailings thickening & EOR polymer flooding

Cationic Polyacrylamide (CPAM)

Formed by copolymerizing acrylamide with cationic monomers such as DAC (Acryloyloxyethyltrimethyl ammonium chloride) or DMC. Carries positively charged quaternary ammonium groups with charge densities from 5% to 80%.

  • Organic sludge dewatering (Belt & Centrifuge)
  • Positively charged surface neutralization
  • Textile dyeing & municipal wastewater treatment

Nonionic Polyacrylamide (NPAM)

Homopolymerized pure polyacrylamide featuring neutral electrical charges. Relying primarily on hydrogen bonding and adsorption bridging to flocculate suspended solids.

  • Acidic wastewater clarification (pH 1-6)
  • Mineral processing & ore dressing leachates
  • Soil stabilization & erosion control
Polymer Type Molecular Weight (Million) Charge Density / Hydrolysis Solid Content (%) Dissolution Time Primary Application
Anionic (APAM) 8.0 - 28.0 Million 10% - 50% (Anionic Degree) ≥ 88% Powder ≤ 60 min Industrial Effluent, Mining, EOR
Cationic (CPAM) 5.0 - 15.0 Million 10% - 80% (Cationic Degree) ≥ 88% Powder ≤ 45 min Municipal Sludge Dewatering, Paper
Nonionic (NPAM) 3.0 - 12.0 Million 0% - 5% (Hydrolysis) ≥ 90% Powder ≤ 90 min Acidic Industrial Effluents, Ore Leaching
Mannich / Liquid PAM 4.0 - 10.0 Million 20% - 60% Cationic 10% - 30% Emulsion Instant (< 5 min) Paper Retention, Fast Dosing Systems

Why Choose Oubo Chemical: China Factory Strengths & E-E-A-T Excellence

Continuous chemical innovation, global supply chain integration, and strict quality assurance protocols.

01. Biological Producer

Patented Bio-Synthesis

Qingdao Oubo Chemical uses proprietary biological enzymatic synthesis methods to manufacture acrylamide monomer. Unlike conventional chemical catalyst methods, our bio-process operates under lower reaction temperatures, producing ultra-high purity polymer with negligible residual monomer toxicity.

02. Quality Assurance

Global Raw Materials

Our global supply chain works directly with world-class petrochemical leaders like SINOPEC, Eni, and other Tier-1 chemical vendors. All production lines are fully automated, and every product batch undergoes 3 times rigorous QC testing prior to packaging.

03. Specialized & Efficient

Competitive Scale

With an annual capacity of over 50,000 Tons and 10+ years of export expertise, we maintain unmatched cost-efficiencies, rapid lead times from Qingdao Port, and consistent batch-to-batch polymer stability for heavy industrial users worldwide.

04. Technical Support

End-to-End Application

Our dedicated chemical engineering team participates in pre-sales analysis, lab Jar Testing, on-site trial optimization, and after-sales troubleshooting. We assist you in selecting the exact molecular weight and ionic charge for maximum cost reduction.

Industrial Application Architecture & Solutions

Tailored polyacrylamide formulations delivering clear filtrate, dense sludge cakes, and optimized fluid rheology across major sectors.

Water & Wastewater Treatment Industry

As a high-performance flocculating agent, PAM is extensively used in solid-liquid separation processes including sedimentation, clarification, thickening, and sludge dewatering. Rapidly tightening global environmental regulations drive the demand for eco-friendly water recovery solutions.

For municipal sewage treatment and industrial wastewater across leather, papermaking, citric acid, dyeing, and pharmaceutical plants, APAM and CPAM ensure rapid flocs formation and high water recovery.

Water Treatment Facility Industrial Settling Tank Sludge Dewatering Process Effluent Clarification

Pulp & Paper Manufacturing

In paper mills, Polyacrylamide serves as a dry strength agent, retention aid, filter aid, and wet-end chemical additive. It significantly improves paper physical tensile strength, reduces fiber loss, and clarifies white water during deinking operations.

  • Retention Agent: Improves fine fiber & filler retention rate while accelerating wire section dewatering.
  • Anionic Trash Catcher: Neutralizes charge interference from pitch and organic impurities.
  • Strength Agent: Forms hydrogen and covalent bonds with cellulose fibers to enhance burst index.
  • Fiber Dispersant: Ensures uniform sheet formation and smooth surface texture.
Paper Mill Machine Pulp Processing Paper Quality Testing

Oilfield & Petrochemical Exploration

Polyacrylamide plays a critical role in tertiary Enhanced Oil Recovery (EOR), profile modification, well plugging, and drilling mud conditioning. It reduces fluid loss, lubricates bit strings, inhibits shale swelling, and carries rock cuttings efficiently to the surface.

  • Enhanced Oil Recovery (EOR / Polymer Flooding)
  • High-Viscosity Hydraulic Fracturing Fluid Friction Reducers
  • Shale Stabilizer & Fluid Loss Additives for Drilling Muds
  • Oil Sands Tailings Flocculants
Oilfield Rig Site Petrochemical Processing Plant

Mining & Metallurgical Beneficiation

In mineral processing, PAM accelerates solid-liquid separation during flotation and leaching. It enables efficient clarification of washing effluents, dense tailing compaction, and pipe sealing across precious and base metals extraction.

  • Coal Washing & Slurry Dewatering
  • Gold, Silver, Copper, Iron, and Nickel Ore Processing
  • Tailing Settlement & Zero Liquid Discharge (ZLD) Systems
  • Centrifugation & Vacuum Filtration Aids
Mining Tailings Settling Mineral Processing Facility Coal Washing Operations

Sugar Refining & Clarification

In sugar cane and sugar beet mills, specialized nonionic and anionic polyacrylamide formulations act as flocculating agents during juice clarification and flotation. PAM assists in removing suspended impurities, color bodies, and insoluble micro-particles without altering sugar purity.

Sugar Processing Plant Juice Clarification Tank

Textile Dyeing & Sizing Operations

In the textile sector, PAM functions as a high-efficiency sizing agent, fabric finishing chemical, and wastewater dye-removal coagulant. It improves yarn elasticity, smooths weaving surfaces, and neutralizes recalcitrant azo dye effluents.

Textile Dyeing Production Yarn Sizing Machine Textile Wastewater Clarifier

Industrial Packaging & Bulk Logistics Options

Standardized moisture-proof export packaging tailored for maritime shipping and long-term warehouse storage.

Blank Bag Packaging

Blank Neutral Bag

25kg inner PE plastic lined craft paper bag without logo printing. Ideal for distributors requiring OEM or private label branding.

Normal Printed Bag Packaging

Standard Printed Bag

25kg standardized O'brien branded multi-wall valve bag. Heavy-duty moisture protection engineered for long sea freight transit.

Jumbo Ton Bag Package

Jumbo Bulk Bag

750kg - 1000kg UV-stabilized FIBC Ton Bags with discharge spouts. Optimized for continuous automatic dosing hoppers.

Palletized Cargo Container Loading

Fumigated Palletizing

Standard wooden or plastic pallets shrink-wrapped with PE stretch film (1.0 to 1.2 Metric Tons per pallet) for forklift handling.

Frequently Asked Questions (Technical & Commercial FAQ)

Expert answers regarding polymer selection, dissolution protocols, shelf life, and procurement parameters.

Q1: How do I select between Anionic, Cationic, and Nonionic Polyacrylamide?
Selection depends primarily on the electrical charge of suspended solids in your wastewater:
  • Cationic PAM (CPAM): Ideal for negatively charged organic particles such as municipal sewage sludge, paper pulp effluent, and food processing wastes.
  • Anionic PAM (APAM): Ideal for positively charged or neutral inorganic suspended solids, such as sand washing, mineral tailings, iron/steel effluents, and neutral water sedimentation.
  • Nonionic PAM (NPAM): Best suited for highly acidic effluents (pH 1–5), metal extraction leaching solutions, or specialized soil conservation applications.
Q2: What is the correct dissolution procedure for dry powder PAM?
Polyacrylamide powder must be dissolved evenly in clean water (temperature between 20°C and 40°C). Prepare a working concentration of 0.1% to 0.3% (w/v). Sprinkle the powder slowly into the vortex created by high-speed stirring to prevent lump formation ("fish eyes"). Once added, reduce agitation speed to 200–400 RPM for 45 to 60 minutes until completely dissolved. Avoid high-shear pumps to prevent polymer chain degradation.
Q3: Why is bio-enzymatic synthesized PAM superior to chemically synthesized PAM?
Qingdao Oubo Chemical utilizes biological methods to produce monomeric acrylamide. Bio-catalysis operates without copper or heavy-metal catalysts, resulting in higher monomer conversion, higher polymer molecular weights (up to 30 Million Daltons), consistent structural linearity, and significantly lower residual acrylamide monomer content (< 0.05%), which is critical for eco-sensitive discharge compliance.
Q4: What is the shelf-life and recommended storage environment for PAM?
Dry powder Polyacrylamide has a shelf life of 24 months when stored in original unopened bags in a cool, dry, well-ventilated warehouse below 35°C. Prepared liquid polymer solutions should be consumed within 24 to 48 hours, as aqueous PAM gradual loses viscosity due to hydrolytic shear over extended periods.
Q5: What are your payment terms, Minimum Order Quantity (MOQ), and delivery lead times?
Our standard MOQ is 1 Metric Ton (1,000 kg). We support flexible payment terms including T/T (Telegraphic Transfer), L/C at sight, and D/P for established clients. Shipments are loaded directly from Qingdao Port within 7–14 days following order confirmation.

Complete Product Catalog & Re-Order List

Browse our complete line of industrial polyacrylamide grades for global wholesale procurement.

Wholesale Cationic Polyacrylamide Supplier for Sludge Dewatering
Wholesale Cationic Polyacrylamide (CPAM) for Sludge Dewatering & Industrial Wastewater Flocculation
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Wholesale High Molecular Weight Nonionic Polyacrylamide for Coal Washing
Wholesale High Molecular Weight Nonionic Polyacrylamide for Coal Washing & Tailings Dewatering
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Wholesale Anionic Polyacrylamide Manufacturers
Wholesale Anionic Polyacrylamide Manufacturers, Supplier
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Wholesale Cationic Polyacrylamide Flocculant for Textile
Wholesale Cationic Polyacrylamide (CAS 9003-05-8) Flocculant for Textile & Dyeing Wastewater
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China Nonionic Polyacrylamide Thickener for Oilfield
China Nonionic Polyacrylamide (PAM) Thickener for Oilfield Drilling Fluid Manufacturers
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Wholesale Cationic Polyacrylamide Powder for Wastewater
Wholesale Cationic Polyacrylamide Powder for Municipal & Industrial Wastewater Treatment
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China Cationic Polyacrylamide Paper Making Supplier
China Cationic Polyacrylamide Retention & Drainage Aid for Paper Making Industry
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Wholesale Anionic Polyacrylamide Powder Flocculant for Food Processing
Wholesale Anionic Polyacrylamide Powder Flocculant for Food Processing & Sugar Refining
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